Annette Kellerman

Annette, Neptune's Daughter

William E. Shay

King William

William Welsh

King Neptune

Leah Baird

Princess Olga

Mrs. Herbert Brenon

Roador the Wolf

Edmund Mortimer

Duke Boris

Lewis Hooper

Count Rudolph

Mrs. Allen Walker

The Sea Witch

Millie Liston

Jailer's Mother

Katherine Lee

Princess Olga As a Child

Edward Boring

The Old Man of the Sea

Herbert Brenon